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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="preprocessor">#ifndef _JZ_DMMU_H_</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="preprocessor">#define _JZ_DMMU_H_</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;</div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="preprocessor">#include &lt;qqt-local.h&gt;</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;</div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;__BEGIN_DECLS</div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;</div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor">#define DMMU_DEV_NAME &quot;/dev/dmmu&quot;</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor">#define DMMU_PAGE_SIZE 4096</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;</div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#define DMMU_IOCTL_MAGIC &#39;d&#39;</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;</div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#define DMMU_GET_PAGE_TABLE_BASE_PHYS       _IOW(DMMU_IOCTL_MAGIC, 0x01, unsigned int)</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#define DMMU_GET_BASE_PHYS                  _IOR(DMMU_IOCTL_MAGIC, 0x02, unsigned int)</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor">#define DMMU_MAP_USER_MEM                   _IOWR(DMMU_IOCTL_MAGIC, 0x11, struct dmmu_mem_info)</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="preprocessor">#define DMMU_UNMAP_USER_MEM                 _IOW(DMMU_IOCTL_MAGIC, 0x12, struct dmmu_mem_info)</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#define DMMU_GET_TLB_PHYS                   _IOWR(DMMU_IOCTL_MAGIC, 0x13, struct dmmu_mem_info)</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor">#define DMMU_SET_TABLE_FLAG                 _IOW(DMMU_IOCTL_MAGIC, 0x34, int)</span></div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;</div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="preprocessor">#define VIDEO_TABLE_FLAGE 1</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;</div><div class="line"><a name="l00022"></a><span class="lineno"><a class="line" href="structdmmu__mem__info.html">   22</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structdmmu__mem__info.html">dmmu_mem_info</a></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;{</div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;    <span class="keywordtype">int</span> size;</div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;    <span class="keywordtype">int</span> page_count;</div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;</div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> paddr;</div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;</div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;    <span class="keywordtype">void</span>* vaddr;</div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;    <span class="keywordtype">void</span>* pages_phys_addr_table;</div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;</div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> start_offset;</div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> end_offset;</div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;};</div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> init_page_count(<span class="keyword">struct</span> <a class="code" href="structdmmu__mem__info.html">dmmu_mem_info</a>* info)</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;{</div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;    <span class="keywordtype">int</span> page_count;</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="preprocessor">#ifdef __EMBEDDED_LINUX__</span></div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> start;         <span class="comment">/* page start */</span></div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> end;           <span class="comment">/* page end */</span></div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;    start = ((<span class="keywordtype">unsigned</span> int)info-&gt;vaddr) &amp; (~(DMMU_PAGE_SIZE - 1));</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;    end = ((<span class="keywordtype">unsigned</span> int)info-&gt;vaddr + (info-&gt;size - 1)) &amp; (~(DMMU_PAGE_SIZE - 1));</div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;    page_count = (end - start) / (DMMU_PAGE_SIZE) + 1;</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;    info-&gt;page_count = page_count;</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;    info-&gt;start_offset = (<span class="keywordtype">unsigned</span> int)info-&gt;vaddr - start;</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    info-&gt;end_offset = ((<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>)info-&gt;vaddr + info-&gt;size) - end;</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="comment">//  printf(&quot;&lt;----start_offset: %x, end_offset: %x, page_count: %d\n&quot;, info-&gt;start_offset, info-&gt;end_offset, page_count);</span></div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="preprocessor">#else</span></div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> start;            <span class="comment">/* page start */</span></div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> end;          <span class="comment">/* page end */</span></div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    start = ((<span class="keywordtype">unsigned</span> long)info-&gt;vaddr) &amp; (~(DMMU_PAGE_SIZE - 1));</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    end = ((<span class="keywordtype">unsigned</span> long)info-&gt;vaddr + (info-&gt;size - 1)) &amp; (~(DMMU_PAGE_SIZE - 1));</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;    page_count = (end - start) / (DMMU_PAGE_SIZE) + 1;</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;    info-&gt;page_count = page_count;</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    info-&gt;start_offset = (<span class="keywordtype">unsigned</span> long)info-&gt;vaddr - start;</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    info-&gt;end_offset = ((<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)info-&gt;vaddr + info-&gt;size) - end;</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="comment">//  printf(&quot;&lt;----start_offset: %x, end_offset: %x, page_count: %d\n&quot;, info-&gt;start_offset, info-&gt;end_offset, page_count);</span></div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    <span class="keywordflow">return</span>;</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;}</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> dump_mem_info(<span class="keyword">struct</span> <a class="code" href="structdmmu__mem__info.html">dmmu_mem_info</a>* mem, <span class="keywordtype">char</span>* description)</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;{</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    <span class="keywordflow">if</span> (mem == NULL)</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;    {</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;        printf(<span class="stringliteral">&quot;mem is NULL!\n&quot;</span>);</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;        <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;    }</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;    printf(<span class="stringliteral">&quot;mem: %p, \t%s\n&quot;</span>, mem, description ? description : <span class="stringliteral">&quot;&quot;</span>);</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;    printf(<span class="stringliteral">&quot;\tvaddr= %p\n&quot;</span>, mem-&gt;vaddr);</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;    printf(<span class="stringliteral">&quot;\tsize= %d (0x%x)\n&quot;</span>, mem-&gt;size, mem-&gt;size);</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;    printf(<span class="stringliteral">&quot;\tpaddr= 0x%08x\n&quot;</span>, mem-&gt;paddr);</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;    printf(<span class="stringliteral">&quot;\tpage_count= %d\n&quot;</span>, mem-&gt;page_count);</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    printf(<span class="stringliteral">&quot;\tpages_phys_addr_table=%p\n&quot;</span>, mem-&gt;pages_phys_addr_table);</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;    printf(<span class="stringliteral">&quot;\tstart_offset= %d\n&quot;</span>, mem-&gt;start_offset);</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    printf(<span class="stringliteral">&quot;\tend_offset= %d\n&quot;</span>, mem-&gt;end_offset);</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;}</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;</div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;<span class="keyword">enum</span> REQUIRE_ALLOC_PAGE_TABLE</div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;{</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;    NO_REQUIRED = 0,</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    REQUIRED = 1,</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;};</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;QQTSHARED_EXPORT <span class="keyword">extern</span> <span class="keywordtype">int</span> dmmu_init();</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;QQTSHARED_EXPORT <span class="keyword">extern</span> <span class="keywordtype">int</span> dmmu_set_table_flag(<span class="keywordtype">void</span>);</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;QQTSHARED_EXPORT <span class="keyword">extern</span> <span class="keywordtype">int</span> dmmu_init_with_set_page_table(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>* phys_addr, <span class="keywordtype">int</span> size);</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;QQTSHARED_EXPORT <span class="keyword">extern</span> <span class="keywordtype">int</span> dmmu_deinit();</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;QQTSHARED_EXPORT <span class="keyword">extern</span> <span class="keywordtype">int</span> dmmu_get_page_table_base_phys(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>* phys_addr);</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;QQTSHARED_EXPORT <span class="keyword">extern</span> <span class="keywordtype">int</span> dmmu_set_page_table(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>* phys_addr, <span class="keywordtype">int</span> size);</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;QQTSHARED_EXPORT <span class="keyword">extern</span> <span class="keywordtype">int</span> dmmu_map_user_memory(<span class="keyword">struct</span> <a class="code" href="structdmmu__mem__info.html">dmmu_mem_info</a>* mem);</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;QQTSHARED_EXPORT <span class="keyword">extern</span> <span class="keywordtype">int</span> dmmu_unmap_user_memory(<span class="keyword">struct</span> <a class="code" href="structdmmu__mem__info.html">dmmu_mem_info</a>* mem);</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;QQTSHARED_EXPORT <span class="keyword">extern</span> <span class="keywordtype">int</span> dmmu_map_user_mem(<span class="keywordtype">void</span>* vaddr, <span class="keywordtype">int</span> size);</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;QQTSHARED_EXPORT <span class="keyword">extern</span> <span class="keywordtype">int</span> dmmu_unmap_user_mem(<span class="keywordtype">void</span>* vaddr, <span class="keywordtype">int</span> size);</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;QQTSHARED_EXPORT <span class="keyword">extern</span> <span class="keywordtype">int</span> dmmu_match_user_mem_tlb(<span class="keywordtype">void</span>* vaddr, <span class="keywordtype">int</span> size);</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;QQTSHARED_EXPORT <span class="keyword">extern</span> <span class="keywordtype">int</span> dmmu_get_memory_physical_address(<span class="keyword">struct</span> <a class="code" href="structdmmu__mem__info.html">dmmu_mem_info</a>* mem);</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;QQTSHARED_EXPORT <span class="keyword">extern</span> <span class="keywordtype">int</span> dmmu_release_memory_physical_address(<span class="keyword">struct</span> <a class="code" href="structdmmu__mem__info.html">dmmu_mem_info</a>* mem);</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;__END_DECLS</div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;<span class="preprocessor">#endif  </span><span class="comment">/*  _JZ_DMMU_H_ */</span><span class="preprocessor"></span></div><div class="ttc" id="structdmmu__mem__info_html"><div class="ttname"><a href="structdmmu__mem__info.html">dmmu_mem_info</a></div><div class="ttdef"><b>Definition:</b> dmmu.h:22</div></div>
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